INDEX, 
425 
Initial velocities, effect on the, of diminishing 
the lead on the 12-pr. Armstrong projectiles, 
129 
- — abstract of results of miscellaneous experi¬ 
ments of, 131 
--of the lOin. hollow shot and Martin’s 
shells, fired with service charges, 132 
• -of the 68-pr. shot, naval, common, and 
Martin’s shells, fired with service charges, 
ib. 
- -8-in. hollow shot, common shell, and naval 
shell fired with service charges, 133 
- . 32-pr. solid shot, with 10, 8, and 6 lbs. 
charges, and of 24-pr. solid shot with 8 lbs. 
charges, ib. 
• -18-pr. solid shot, 134 
--12-pr. solid shot, ih. 
———9-pr. shot fired from 9-pr. field gun, ib. 
■ -6-pr. solid shot fired from 6-pr. field gun, 
ib. 
■ -shell fired from 12-pr. brass howitzer, ib. 
-24-pr. shell fired from 24-pr. howitzer, 
with service charges, 135 
-wall piece, and of the Enfield rifle, ib. 
-Armstrong 6-pr., ib. 
— — Armstrong 12-pr. segment shell, ib. 
-in function of the weight of the shot, 136, 
137 
--of an Armstrong shell in function of the 
weight of the charge, ib. 
-Armstrong 12-pr. shell, 138-140 
-—to ascertain the difference between, of high 
and low gauge 12-pr. shot, 139 
• -9 lb. shot fired from the service field gun, 
141 
• -9-pr. shell, fired with a charge of 1 lb. 2 oz. 
from the 12-pr. gun, ib. 
■ -projectiles fired from a 12-pr. Armstrong 
gun as a function of the weight of the 
projectile, ib. 
• -12-pr. Armstrong shell fired from a 12-pr, 
of 6 cwt., 142 
-to ascertain the difference, if any, in, or 
regularity between two Armstrong guns, 
one of which had been exposed for several 
weeks without protection to the weather, 143 
--of 25-pr. projectiles fired from the long 
25-pr. with various charges, 144 
■ -of 25-pr. projectiles fired from a short 
25-pr., with a charge of 2 lbs. 6 oz., ib. 
——of shot and shell, fired with low velocities, 
233 
■ -of shells fired from rifled ordnance with 
small charges, 234 
Iron clad ships, ordnance calculated to prove 
most efficient against, 47 
Iron defence, Committee formed July, 1859, to 
carry on experiments against, 29 j—first 
experiment recorded of, in 1827, ib .— 
revived again by Lord Eoss, &e., 1850, ib. 
Iron ships, durability of, 34; liability to foul, 
35; Mr Grantham’s proposed method of 
remedying, ib. 
Einburn, French floating battery engaged at, 
29 
Lefroy, Col., on the determination of range 
tables, for rifle ordnance, 17;—report by the 
minister of marine, Paris, translated from 
the French, by, 75;—on application of rifled 
cannon to the operation of breaching unseen 
defences by high angle firing, 231 
Lenk’s gun cotton, report on, 367 
Line of metal, definition of, 28 
——-sight, definition of, ib. 
List of service projectiles, 289 _ 
———of competitors, rifled cast-iron guns, 323 
Xowmoor cast-iron, mechanical tests applied 
to, 348 
Majendie, Capt., on. the validity of General 
Shrapnel’s claim to the invention of shell in 
which the true principle of Shrapnel fire 
was first enunciated and applied, 398 
Mantlets,—rope, 2 
Admiral Sartorius, on jalousie principle, 7 
Captain Yonge’s, 3 
Homogeneous iron, 5 
Iron plate, 2 
List of, having been tried by by 0. S. C. 
since Oct. 1850, 9, 10 
Millard’s, 3, 8 
Price’s case hardened wrought-iron, 3 
Thorneycroft’s steel iron, 5 
Management of French reverberatory furnaces, 
81 
Manufacture of French guns, ib. 
Mare, Messrs,, Millwall ironworks, shield, 224 
Martin’s shells, irregularity in the initial 
velocity of, 121 
Masonry protected by iron, report of an ex¬ 
periment by speciai committee on, 36 
Maxwell, Lieut.-Col., on the centre of gravity 
of a gun on its carriage, &c., 207;—the lock 
or turn of carriages and their turning angles, 
266 
Measure of precision, observed, with service 
guns and projectiles with service charges, 121 
Memos of orders, &c., St Johns, New Bruns¬ 
wick, 200-206 
Mixture of French metals, 80 
Mitchell, Mr, time fuze, of shells, rate of 
burning of, 14 
Moveable and floating batteries, 93 
Nasmyth’s, Mr, gun, report on bursting of, 345 
Navez’s electro-ballistic apparatus, initial 
velocities of various projectiles, determined 
by, 11, 12 
• -shewing the relations between the arcs 
passed through and the corresponding 
durations for t =0'-3337, 13 
-apparatus, times corresponding to the arcs 
for instrument, &c., 148, 149 
-the adjustment of, 153 
-trial when adjusted, 157 
-regulating the currents of, ib. 
-employment of the apparatus, 158 
■-calculation of the table of times, 159 
- . table shewing the times corresponding to 
the arcs for instrument, 167 
• -general description, and working of the 
instrument, of 151 
• -establishing communication of, 155 
New Brunswick, bridges in, 189 
Noble, Capt., abstract shewing initial veloci¬ 
ties of various service and experimental 
projectiles,'11;—experiments with Navez’s 
electro-ballistic apparatus, 117;—note on the 
ratio between the forces tending to produce 
translation and rotation in the bores of 
rifled guns, 409 
Noble, Lieut., table shewing relations between 
the arcs passed through and the correspond¬ 
ing durations for £=0 //, 3337, 13;—iron 
plates versus guns, 65;—description of 
Navez’s apparatus, 151 
